Home / 69,977,481.01-104,965,847.83-18,162,045.78

Finding the Fourth Proportional to 69,977,481.01, 104,965,847.83 and 18,162,045.78

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Solution

The fourth proportional to 69,977,481.01, 104,965,847.83 and 18,162,045.78 is: 27,242,971.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,977,481.01 : 104,965,847.83 = 18,162,045.78 : x
  2. Step 2: Convert to fraction form
    69,977,481.01/104,965,847.83 = 18,162,045.78/x
  3. Step 3: Cross multiply
    69,977,481.01x = 104,965,847.83 × 18,162,045.78
  4. Step 4: Simplify right side
    69,977,481.01x = 1,906,394,533,624,973.75
  5. Step 5: Solve for x
    x = 1,906,394,533,624,973.75/69,977,481.01
  6. Step 6: Final answer
    x = 27,242,971.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.